"Physician's Desk Reference... ...hollowed out. Inside: waterproof matches, iodine tablets, beet seeds, protein bars, NASA blanket and, in case I get bored, Harry Potter and the Sorcerer's Stone. No, Harry Potter and the Prisoner of Azkaban."
Seriously? My trusty Surefire G2 flashlight and Emerson Mini CQC-7 ...it's what I carry besides my firearm every day, going into the ge-hetto wouldn't be any different. (obviously the flashlight's only coming with me if I'm out past dusk)